<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
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    <title>Document</title>
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<body>
    <main class="dpflex1">
        <div class="container">
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            <div class="mewClass">
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            <!-- 全部课程 -->
            <div class="allClass">
              <div class="allTitle">课程</div>
                <div class="listBox">

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</body>

</html>